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Low energy neutron background in deep underground laboratories

Low energy neutron background in deep underground laboratories

Authors :
Best, Andreas
Gorres, Joachim
Junker, Matthias
Kratz, Karl-Ludwig
Laubenstein, Matthias
Long, Alexander
Nisi, Stefano
Smith, Karl
Wiescher, Michael
Publication Year :
2015

Abstract

The natural neutron background influences the maximum achievable sensitivity in most deep underground nuclear, astroparticle and double-beta decay physics experiments. Reliable neutron flux numbers are an important ingredient in the design of the shielding of new large-scale experiments as well as in the analysis of experimental data. Using a portable setup of He-3 counters we measured the thermal neutron flux at the Kimballton Underground Research Facility, the Soudan Underground Laboratory, on the 4100 ft and the 4850 ft levels of the Sanford Underground Research Facility, at the Waste Isolation Pilot Plant and at the Gran Sasso National Laboratory. Absolute neutron fluxes at these laboratories are presented.<br />Comment: Preparation version for submission

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.1509.00770
Document Type :
Working Paper
Full Text :
https://doi.org/10.1016/j.nima.2015.12.034